Home / 722,607.60-1,081,837.80-442,671.60

Finding the Fourth Proportional to 722,607.60, 1,081,837.80 and 442,671.60

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Solution

The fourth proportional to 722,607.60, 1,081,837.80 and 442,671.60 is: 662,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,607.60 : 1,081,837.80 = 442,671.60 : x
  2. Step 2: Convert to fraction form
    722,607.60/1,081,837.80 = 442,671.60/x
  3. Step 3: Cross multiply
    722,607.60x = 1,081,837.80 × 442,671.60
  4. Step 4: Simplify right side
    722,607.60x = 478,898,869,866.48
  5. Step 5: Solve for x
    x = 478,898,869,866.48/722,607.60
  6. Step 6: Final answer
    x = 662,737.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.